Arenes - PowerPoint PPT Presentation

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Arenes

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  1. Arenes Molecules that contain a benzene ring because they are derivatives of benzene

  2. Comparing reactions

  3. Examples of Arenes: Methylbenzene Methoxybenzene

  4. Methylbenzene (also known as Toluene) • The methyl group pushes electrons towards the benzene ring • This increases the electron density on the ring • This makes methylbenzene more reactive than benzene

  5. Methoxybenzene (also known as anisole) • The oxygen has a lone pair of electrons that can become delocalised on the benzene ring • This increases the electron density on the ring • This makes methoxybenzenemore reactive than benzene

  6. Task 1: Research into TNT • Find a picture of TNT (Google images “TNT structure”) and draw its molecular structure below • What does “TNT” stand for

  7. Explain where the NO2 groups are on the benzene ring in • What is the main use of TNT?

  8. Task 2: Address these questions about Methoxybenzene • Why is methoxybenzene MORE reactive than methylbenzene? • What does methoxybenzene smell of and what is it’s derivatives used for?